Final predictions?
Both semi finals are a really tough to call. O'Sullivan looks on fine form but Trump did really well against Murphy. I still think O'Sullivan can beat him.
The other semi final is a tough call. I'm edging towards Hawkins though.

O'Sullivan Vs Hawkins - is my predication. Watch it be the exact opposite.
I may change my mind after the first sessions

Ronnie was looking absolutely deadly in the last round against Bingham. That's the most lethal I've ever seen him. He completely whizzed through that match. Trump is very good, but Ronnie looks in a different class at the moment! Hawkins is my dark horse for the win, he did pretty impressively in the last round and to knock out Mark Selby, world number 1 who has been on some fine form until now, was a pretty impressive feat, but if Ronnie gets to the final, I can't see anyone beating him on current form.

Snooker World Championship 2013: Ronnie O'Sullivan - this is my last farewellRonnie O'Sullivan chose the eve of his Crucible semi-final against Judd Trump to announce this World Championship will be his last.

Today the four-time champion tackles showman Trump in a match he is determined to win to reach another final in Sheffield.

But the 37 year-old, who has spent most of the last year in self-imposed exile from the sport, claims he only returned to action because he needed the money to pay overdue school fees.

He has vowed to retire, claiming snooker is bad for his health.

Asked if he would be in Sheffield for next year's World Championship, O'Sullivan said: "I've no intention to come back. If I find something else to do, you definitely won't see me.

"I've kept my cards close to my chest but there's no reason to keep them close now. This is my last farewell, it's my swansong. I'm happy; I'm done. I can't keep putting myself through being unhappy.

"I wish I could just smile it off, shrug it off, but it's not like that for me. I wish I had the attitude of players who come here and smile and enjoy it. I just beat myself up too much and it's not healthy."

O'Sullivan brushed aside Stuart Bingham 13-4 in the quarter-finals but Trump should provide a stiff test in the three-day semi-final, that precedes the two-day final.

"I'll be out there trying my nuts off," O'Sullivan said. "I'm a competitor and I hate losing. I will fight to the death. They'll have to scrape me off the table.

"I've got five days left potentially - it could possibly be three - and if I can't get through that then something's seriously wrong.

"The light at the end of the tunnel is it doesn't have to go on any longer."

He added: "I'll be honest, I still owe the school money for my children's school fees - I haven't paid the last two or three terms.

"I didn't know what was going to happen here but I've made a little bit of money now so I can go and pay the school fees now for the next two years.

"But really I don't think snooker is for me. This could be my last proper major event.

"I have signed a contract with my sponsor to play in 10 events so I'll play in those."

But O'Sullivan stated those events could include Legends tour events, and low-profile tournaments, and stressed there was no stipulation that he should appear at events such as the UK Championship, Masters or another World Championship.

Trump said he is not frightened of O'Sullivan and their clash promises to be a classic, just like Trump's 13-12 quarter-final victory over Shaun Murphy.

"I've got a good record against Ronnie," Trump said. "I've beaten him more times than he's beaten me, so hopefully I can go out and scare him.

"I think people are just scared of the name. The big stage is where I want to be. I'm not scared of the name."

While O'Sullivan and Trump start this afternoon, first-time Crucible semi-finalists Ricky Walden and Barry Hawkins begin their match this evening.

The Rocket was a given from the very beginning - the best match has been Walden / Hawkins so far. Watching it now and although Walden is a2 frames down it would be great to see a Walden O'Sullivan Final.

I mean no disrespect to his opponent in the final but Ronnie's going to walk it. It's a huge testament to his talent that he can take such a long break and return still playing such amazing snooker.

Also, credit must go to Judd. He got outplayed here but his tactical play has came on massively. Once he masters cue ball control (which is something that will come with experience) he will be hard to stop. He will win the title before too long but Ronnie just couldn't be stopped this time. I fear a very one sided final.

That last frame before the end of tonight (frame 17) was stunning. Ronnie was so dominant but it looked like he was being overly cautious to try not to lose the frame. I know it was a massive frame, going into the night break either 1 or 3 frames ahead is a big difference, but I thought that when Hawkins was struggling with his safety shots (4/5 in a row at one point), Ronnie could have taken one on fairly safely and put the frame away.

I can't really see Hawkins winning it even if it's not been the walkover the half the media were hyping it as - Ronnie's just got too much class to turn on.